package runtime_demo

import (
	"fmt"
	"runtime"
)

func main()  {
	pc, file, line, ok := runtime.Caller(1)
	if !ok {
		fmt.Printf("runtime.Caller(), failed\n")
		return
	}
	fmt.Println(pc)
	fmt.Println(file)
	fmt.Println(line)
}
